mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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202 lines
9.1 KiB
C++
202 lines
9.1 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_NUMERIC_FIXED_ADJACENT_DIFFERENCE_HPP
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#define SPROUT_NUMERIC_FIXED_ADJACENT_DIFFERENCE_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/iterator/type_traits/is_iterator_of.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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#include <sprout/algorithm/fixed/results.hpp>
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#include <sprout/pit/pit.hpp>
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#include <sprout/detail/container_complate.hpp>
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namespace sprout {
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namespace fixed {
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namespace detail {
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template<typename InputIterator, typename Result, typename... Args>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size == sizeof...(Args),
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typename sprout::fixed::results::algorithm<Result>::type
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>::type
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adjacent_difference_impl_1(
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InputIterator const&, InputIterator const&, Result const& result,
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typename sprout::container_traits<Result>::size_type,
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typename sprout::container_traits<Result>::value_type const&,
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Args const&... args
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)
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{
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return sprout::remake<Result>(result, sprout::size(result), args...);
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}
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template<typename InputIterator, typename Result, typename... Args>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size != sizeof...(Args),
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typename sprout::fixed::results::algorithm<Result>::type
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>::type
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adjacent_difference_impl_1(
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InputIterator const& first, InputIterator const& last, Result const& result,
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typename sprout::container_traits<Result>::size_type size,
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typename sprout::container_traits<Result>::value_type const& value,
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Args const&... args
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)
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{
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return first != last && sizeof...(Args) < size
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? adjacent_difference_impl_1(sprout::next(first), last, result, size, *first, args..., *first - value)
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: sprout::detail::container_complate(result, args...)
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;
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}
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template<typename InputIterator, typename Result>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size == 0,
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typename sprout::fixed::results::algorithm<Result>::type
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>::type
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adjacent_difference_impl(
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InputIterator, InputIterator, Result const& result,
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typename sprout::container_traits<Result>::size_type
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)
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{
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return sprout::remake<Result>(result, sprout::size(result));
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}
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template<typename InputIterator, typename Result>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size != 0,
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typename sprout::fixed::results::algorithm<Result>::type
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>::type
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adjacent_difference_impl_1(
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InputIterator const& first, InputIterator const& last, Result const& result,
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typename sprout::container_traits<Result>::size_type size
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)
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{
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return first != last
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? adjacent_difference_impl_1(sprout::next(first), last, result, size, *first, *first)
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: sprout::detail::container_complate(result)
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;
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}
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} // namespace detail
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//
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// adjacent_difference
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//
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template<typename InputIterator, typename Result>
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inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last, Result const& result) {
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return sprout::fixed::detail::adjacent_difference_impl(first, last, result, sprout::size(result));
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}
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template<typename Result, typename InputIterator>
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inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last) {
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return sprout::fixed::adjacent_difference(first, last, sprout::pit<Result>());
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}
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namespace detail {
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template<typename InputIterator, typename Result, typename BinaryOperation, typename... Args>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size == sizeof...(Args),
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typename sprout::fixed::results::algorithm<Result>::type
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>::type
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adjacent_difference_impl_1(
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InputIterator const&, InputIterator const&, Result const& result, BinaryOperation,
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typename sprout::container_traits<Result>::size_type,
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typename sprout::container_traits<Result>::value_type const&,
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Args const&... args
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)
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{
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return sprout::remake<Result>(result, sprout::size(result), args...);
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}
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template<typename InputIterator, typename Result, typename BinaryOperation, typename... Args>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size != sizeof...(Args),
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typename sprout::fixed::results::algorithm<Result>::type
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>::type
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adjacent_difference_impl_1(
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InputIterator const& first, InputIterator const& last, Result const& result, BinaryOperation binary_op,
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typename sprout::container_traits<Result>::size_type size,
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typename sprout::container_traits<Result>::value_type const& value,
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Args const&... args
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)
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{
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return first != last && sizeof...(Args) < size
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? adjacent_difference_impl_1(sprout::next(first), last, result, binary_op, size, *first, args..., binary_op(*first, value))
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: sprout::detail::container_complate(result, args...)
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;
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}
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template<typename InputIterator, typename Result, typename BinaryOperation>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size == 0,
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typename sprout::fixed::results::algorithm<Result>::type
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>::type
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adjacent_difference_impl(
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InputIterator, InputIterator, Result const& result, BinaryOperation,
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typename sprout::container_traits<Result>::size_type
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)
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{
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return sprout::remake<Result>(result, sprout::size(result));
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}
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template<typename InputIterator, typename Result, typename BinaryOperation>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size != 0,
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typename sprout::fixed::results::algorithm<Result>::type
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>::type
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adjacent_difference_impl_1(
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InputIterator const& first, InputIterator const& last, Result const& result, BinaryOperation binary_op,
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typename sprout::container_traits<Result>::size_type size
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)
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{
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return first != last
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? adjacent_difference_impl_1(sprout::next(first), last, result, binary_op, size, *first, *first)
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: sprout::detail::container_complate(result)
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;
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}
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} // namespace detail
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//
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// adjacent_difference
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//
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template<typename InputIterator, typename Result, typename BinaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last, Result const& result, BinaryOperation binary_op) {
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return sprout::fixed::detail::adjacent_difference_impl(first, last, result, binary_op, sprout::size(result));
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}
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template<typename Result, typename InputIterator, typename BinaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last, BinaryOperation binary_op) {
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return sprout::fixed::adjacent_difference(first, last, sprout::pit<Result>(), binary_op);
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}
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} // namespace fixed
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template<
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typename InputIterator, typename Result,
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typename sprout::enabler_if<!sprout::is_iterator_outputable<Result>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last, Result const& result) {
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return sprout::fixed::adjacent_difference(first, last, result);
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}
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template<typename Result, typename InputIterator>
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inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last) {
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return sprout::fixed::adjacent_difference<Result>(first, last);
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}
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template<
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typename InputIterator, typename Result, typename BinaryOperation,
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typename sprout::enabler_if<!sprout::is_iterator_outputable<Result>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last, Result const& result, BinaryOperation binary_op) {
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return sprout::fixed::adjacent_difference(first, last, result, binary_op);
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}
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template<typename Result, typename InputIterator, typename BinaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last, BinaryOperation binary_op) {
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return sprout::fixed::adjacent_difference<Result>(first, last, binary_op);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_NUMERIC_FIXED_ADJACENT_DIFFERENCE_HPP
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